Electrode holder



FIG. 1 is a top perspective view of the electrode holder;

FIG. 2 is another top perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is another side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines in the drawings depict unclaimed environmental subject matter. 

CLAIM The ornamental design for an electrode holder, as shown and described. 